If not treated, then hyperthyroidism can lead to neurologicaldisorders, osteoporosis, excessive weight loss, palpitations, andeventually heart failure.7−9 On the other hand, low blood levelsof thyroid hormones and excessive ones of TSH are characteristic ofhypothyroidism, which in newborns and children can impair growth andneurological development, while in adults it is connected to obesityand lack of energy.9−11. This evidence concerns the gene TG and hyperthyroidism.